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Be careful with shutting off mains. I have had to that to test stuff and found the breaker could not be reset. Some of those old mains can be trouble especially if it is in a damp location.
This worries me any time that I have to kill the main on an older panel. Particularly those older Murray panels
 

IBEW L.U. 1852
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5,261 Posts
On the plus side though guys....if the main is screwed and you can't shut it off or can't reset it......then you get to sell a service(or at least a panel) upgrade.:thumbsup:
 

cool cat
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282 Posts
I usually slap the the hot to ground however I'm a little more cautious than in my younger days.I pulled that trick in a recently installed tile bathroom and the molten copper drops made a nice pattern embedded in the custom tile job.So now I'm a little more selective of when and where I trip the breaker.:blink:
 

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Are you guys in this for the long haul or not?

Buy a proper circuit tracer for Pete's sake before you kill yourselves!:eek: If you buy a good one and spread the cost over 10-20 years, it's only a few bucks a year.

I use an Amprobe AT-2005 that I've had for 6 years now. I can't imagine going without it, especially when I'm working in restaurant or office building panels.
 
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